<?php

class ImageController extends RController
{
	/**
	 * @var string the default layout for the views. Defaults to '//layouts/column2', meaning
	 * using two-column layout. See 'protected/views/layouts/column2.php'.
	 */
	public $layout='//layouts/column1';

	/**
	 * @var private property containing the associated Deal model instance
	 */
	private $_gallery = null;
	/**
	 * @return array action filters
	 */
	public function filters()
	{
		return array(
			'rights', // perform access control for CRUD operations
			'postOnly + delete', // we only allow deletion via POST request
			'galleryContext + create index admin', //constrain to selected galleryId
		);
	}

	/**
	 * Specifies the access control rules.
	 * This method is used by the 'accessControl' filter.
	 * @return array access control rules
	 */
	public function accessRules()
	{
		return array(
			array('allow',  // allow all users to perform 'index' and 'view' actions
				'actions'=>array('index','view'),
				'users'=>array('*'),
			),
			array('allow', // allow authenticated user to perform 'create' and 'update' actions
				'actions'=>array('create','update'),
				'users'=>array('@'),
			),
			array('allow', // allow admin user to perform 'admin' and 'delete' actions
				'actions'=>array('admin','delete','viewAdmin'),
				'users'=>array('admin'),
			),
			array('deny',  // deny all users
				'users'=>array('*'),
			),
		);
	}

	/**
	 * Displays a particular model.
	 * @param integer $id the ID of the model to be displayed
	 */
	public function actionView($slug)
	{
		$this->render('view',array(
			'model'=>$this->loadModelSlug($slug),
		));
	}

	public function actionViewAdmin($id)
	{
		$this->render('viewAdmin',array(
			'model'=>$this->loadModel($id),
		));
	}

	/**
	 * Creates a new model.
	 * If creation is successful, the browser will be redirected to the 'view' page.
	 */
	public function actionCreate()
	{
		$model=new Image;
		$model->galleryId = $this->_gallery->id;

		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['Image']))
		{
			$now = new DateTime();
			$nowString = $now->format('YmdHis');
			$model->attributes=$_POST['Image'];
			$model->theImage=CUploadedFile::getInstance($model,'theImage');
			$fileName = "{$nowString}-{$model->theImage}";
			$model->slug = $fileName;
			if($model->save())
			$model->theImage->saveAs(Yii::app()->basepath.'/../images/'.$fileName);
			$this->redirect(array('viewAdmin','id'=>$model->id));
		}

		$this->render('create',array(
			'model'=>$model,
		));
	}

	/**
	 * Updates a particular model.
	 * If update is successful, the browser will be redirected to the 'view' page.
	 * @param integer $id the ID of the model to be updated
	 */
	public function actionUpdate($id)
	{
		$model=$this->loadModel($id);

		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['Image']))
		{
			$now = new DateTime();
			$nowString = $now->format('YmdHis');
			$_POST['Image']['theImage'] = $model->slug;
			$model->attributes=$_POST['Image'];
			$image_update = CUploadedFile::getInstance($model,'theImage');
			if($model->save())
			{
			if(!empty($image_update))
			{
			$fileName = "{$nowString}-{$model->theImage}";
			$model->slug = $fileName;
			$image_update->saveAs(Yii::app()->basePath.'/../images/site/'.$fileName);
			}
			$this->redirect(array('viewAdmin','id'=>$model->id));
			}
			if($model->save())
				$this->redirect(array('viewAdmin','id'=>$model->id));
		}

		$this->render('update',array(
			'model'=>$model,
		));
	}

	/**
	 * Deletes a particular model.
	 * If deletion is successful, the browser will be redirected to the 'admin' page.
	 * @param integer $id the ID of the model to be deleted
	 */
	public function actionDelete($id)
	{
		$this->loadModel($id)->delete();

		// if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
		if(!isset($_GET['ajax']))
			$this->redirect(isset($_POST['returnUrl']) ? $_POST['returnUrl'] : array('gallery/admin'));
	}

	/**
	 * Lists all models.
	 */
	public function actionIndex()
	{
		//$dataProvider=new CActiveDataProvider('Image');
		$dataProvider=new CActiveDataProvider('Image', array(
			'criteria'=>array(
		 		'condition'=>'galleryId=:galleryId',
		 		'params'=>array(':galleryId'=>$this->_gallery->id),
		 	),
		));
		$this->render('index',array(
			'dataProvider'=>$dataProvider,
		));
	}

	/**
	 * Manages all models.
	 */
	public function actionAdmin()
	{
		$model=new Image('search');
		$model->unsetAttributes();  // clear any default values
		if(isset($_GET['Image']))
			$model->attributes=$_GET['Image'];

		$model->galleryId = $this->_gallery->id;
		$this->render('admin',array(
			'model'=>$model,
		));
	}

	/**
	 * Returns the data model based on the primary key given in the GET variable.
	 * If the data model is not found, an HTTP exception will be raised.
	 * @param integer $id the ID of the model to be loaded
	 * @return Image the loaded model
	 * @throws CHttpException
	 */
	public function loadModel($id)
	{
		$model=Image::model()->findByPk($id);
		if($model===null)
			throw new CHttpException(404,'The requested page does not exist.');
		return $model;
	}

	public function loadModelSlug($slug)
	{
		$model = Image::model()->findByAttributes(array('slug'=>$slug));
		if($model===null)
			throw new CHttpException(404,'The requested Image could not be found.');
		return $model;
	}

	/**
	 * Performs the AJAX validation.
	 * @param Image $model the model to be validated
	 */
	protected function performAjaxValidation($model)
	{
		if(isset($_POST['ajax']) && $_POST['ajax']==='image-form')
		{
			echo bootstrap.widgets.TbActiveForm::validate($model);
			Yii::app()->end();
		}
	}
	/**
	 * In-class defined filter method, configured for use in the above filters() method
	 * It is called before the actionCreate() action method is run in oder to ensure a proper Deal context
	 */
	public function filterGalleryContext($filterChain)
	{
		//set the Gallery identifier based on either the GET or POST input
		//request variables, since we allow both types for our actions
		$galleryId = null;
		if(isset($_GET['gallery']))
			$galleryId = $_GET['gallery'];
		else if(isset($_POST['gallery']))
			$galleryId = $_POST['gallery'];
		$this->loadGallery($galleryId);
		//complete the running of other filters and execute the requested action
		$filterChain->run();
	}
	/**
	 * Protected method to load the associated Gallery model class
	 * @galleryId the primary identifier of the associated Gallery
	 * @return object the Gallery data model based on the primary key
	 */
	protected function loadGallery($galleryId)
	{
		//if the Gallery property is null, created it based on input id
		if($this->_gallery===null)
		{
			$this->_gallery=Gallery::model()->findbyPk($galleryId);
			if($this->_gallery===null)
			{
				throw new CHttpException(404,'The requested Gallery does not exist.');
			}
		}
		return $this->_gallery;
	}
	
	/**
	 *	Returns the Gallery model instance to which this Image belongs
	 */
	public function getGallery()
	{
		return $this->_gallery;
	}
}
